Fix "Unable to Continue error 401" in Microsoft Edge

You see this error while signing in your Trend Micro Account in the Microsoft Edge extension:

"Unable to Continue. Please Try Again. (Error 401)"

Why did this happen?

Your computer clock is not set in the correct local time.

What should I do next?

Set the date and time to your local time:

1. Click Start ⊞, then go to Settings > Time & language > Date & time.
2. Set the time and date according to your local time.
3. Sign in to your account again.